Drill bit having improved cutter configuration

Details Drill bit having improved cutter configuration Drill bit having improved cutter configuration

1990-04-03

1991-07-02

Dang, Hoang C.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, E21B 1046

Patent

active

050279122

ABSTRACT:
Drill bits may include cutting members which have cutting faces formed of segments of differing cutting materials. The faces of the cutting members may include two or more segments, with the segments formed from at least two different materials. For example, a first segment could be formed of a polycrystalline diamond compact surface while a second segment could be formed of a thermally stable diamond product material.

REFERENCES:
patent: 4478298 (1984-10-01), Hake et al.
patent: 4592433 (1986-06-01), Dennis
patent: 4606418 (1986-08-01), Thompson
patent: 4624830 (1986-11-01), Barr
patent: 4726718 (1988-02-01), Meskin et al.

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